Indiana State Fair stage collapse (2011)

On August 13, 2011, a sudden severe thunderstorm caused the stage rigging at the Indiana State Fair to collapse during setup for a concert, killing seven people and injuring dozens more. The collapse occurred at the Indiana State Fairgrounds & Event Center and prompted investigations into emergency response and event safety procedures. Subsequent legal actions and safety rule reviews followed the incident. The event is documented in contemporaneous news coverage and official reports.